8 results
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Radial Nerve Wrist ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Tinel's Test for Tarsal Tunnel Syndrome

Perform a Tinel's over the tarsal tunnel, attempting to reproduce pain,
Tarsal Tunnel Syndrome ... numbness, or tingling caused ... by tarsal tunnel ... #Syndrome #ankle ... video #sports #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... L2, L3, L4 • Ankle ... • Cauda Equina Syndrome ... Commonly caused ... #diagnosis #neurology
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
the preferred test ... the workup • Test ... all patients for HIV ... Distal joints, knees ... , wrists, ankles
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... tunnel syndrome ... Herpes zoster - HIV ... lower #extremity #msk
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... zoster virus ○ HIV ... #Differential #Diagnosis
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... nerve injury (25%) TEST ... Check hip and ankle ... Compartment syndrome ... Posterior #Injury #msk